Hi all new here , i got a stoger x20 supressor , i like it very much , but it wont group shots , its all over the show like a shot gun ,anyways i was useing 5.56 eley wasp,s then hn hollow points the german round where alot better but not as good as i expected .Is this a common fault ,due to the gun or is it just very pellet fussy , any help greatly recived .